28859970 has 32 divisors (see below), whose sum is σ = 69465600. Its totient is φ = 7673600.

The previous prime is 28859953. The next prime is 28859981. The reversal of 28859970 is 7995882.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10831 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (2170800).

Almost surely, 2^28859970 is an apocalyptic number.

28859970 is an abundant number, since it is smaller than the sum of its proper divisors (40605630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28859970 is a wasteful number, since it uses less digits than its factorization.

28859970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 28859970 is about 5372.1476152466. The cubic root of 28859970 is about 306.7363827531.

The spelling of 28859970 in words is "twenty-eight million, eight hundred fifty-nine thousand, nine hundred seventy".